Question: 

How many times can I download extension after purchasing on site?


Answer: 

You can unlimitedly download purchased extension from site but you can only use that license for 1 Magento site installation. 

Please kindly visit https://bsscommerce.com/bss-commerce-license-greement for more details. 

If you need any further support, please feel free to contact us at sales@bsscommerce.com or create a ticket.